In 1924 Bolsky founded Bol SA in Geneva to market his 35mm movie camera, the Cinématographe Bol, and later his 16mm Bolex - the first product sold under the Bolex name; developed the Bolsey line of cameras and the Bolca which later evolved into the Bolsey Reflex, the design rights to which were sold to Pigeons S.A. in 1939, going on to become the Alpa